The Spectrum Battery Powered Lifts have a 360 degree continuous rotation in either direction. They have a proprietary, robust operating system and actuator that outperform other pool lifts. And they are powered by a 24 volt rechargeable battery with 90 plus lifts per charge! Operations are quiet and stable. Constructed of all stainless steel (304L Grade), they are coated with SpectraShield® for maximum corrosion protection.